McAlester weather in May: McAlester, Oklahoma: normal highs, lows, rain and records for May
McAlester in May has a normal high of 80°F and a normal low of 60°F, a daily mean of 70°F, rising from 76°F on the 1st to 84°F by the 31st. Measurable precipitation falls on 11 days in a normal May, 5.30 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 27°C and low of 15°C, 135 mm of precipitation in May.
- NOAA stationMcAlester Regional Airport
- Station IDUSW00093950
- Location34.88°N 95.78°W
- Elevation770 ft (235 m)
- Population18,108
- Jan 52° 30°
- Feb 57° 34°
- Mar 65° 42°
- Apr 73° 50°
- May 80° 60°
- Jun 88° 68°
- Jul 93° 72°
- Aug 93° 71°
- Sep 86° 63°
- Oct 75° 52°
- Nov 63° 41°
- Dec 54° 33°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is McAlester in May?
The normal high is 80°F and the normal low 60°F, for a daily mean of 69.9°F. May is 8.2°F warmer than April and 8.3°F cooler than June. May is the 5th warmest month of the year in McAlester and the wettest. Across the month the normal high rises 8°F, from 76°F on May 1 to 84°F on May 31. From one year to the next May's mean temperature typically moves about 2.3°F either way (NOAA's standard deviation), so roughly two Mays in three average between 68°F and 72°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 34%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| May 1 | 76°F | 55°F | 32% | 22% |
| May 8 | 78°F | 57°F | 33% | 23% |
| May 15 | 80°F | 60°F | 34% | 23% |
| May 22 | 82°F | 62°F | 34% | 23% |
| May 31 | 84°F | 65°F | 33% | 22% |
Every day of May: normal high, low and chance of precipitation (warmest afternoon May 31, coldest night May 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| May 1 | 76°F | 55°F | 32% | 22% | 13 h 30 min |
| May 2 | 76°F | 55°F | 32% | 22% | 13 h 40 min |
| May 3 | 77°F | 55°F | 33% | 22% | 13 h 40 min |
| May 4 | 77°F | 56°F | 33% | 22% | 13 h 40 min |
| May 5 | 77°F | 56°F | 33% | 22% | 13 h 40 min |
| May 6 | 77°F | 56°F | 33% | 22% | 13 h 40 min |
| May 7 | 78°F | 57°F | 33% | 23% | 13 h 40 min |
| May 8 | 78°F | 57°F | 33% | 23% | 13 h 50 min |
| May 9 | 78°F | 57°F | 34% | 23% | 13 h 50 min |
| May 10 | 78°F | 58°F | 34% | 23% | 13 h 50 min |
| May 11 | 79°F | 58°F | 34% | 23% | 13 h 50 min |
| May 12 | 79°F | 59°F | 34% | 23% | 13 h 50 min |
| May 13 | 79°F | 59°F | 34% | 23% | 13 h 50 min |
| May 14 | 79°F | 59°F | 34% | 23% | 14 h |
| May 15 | 80°F | 60°F | 34% | 23% | 14 h |
| May 16 | 80°F | 60°F | 34% | 23% | 14 h |
| May 17 | 80°F | 60°F | 34% | 23% | 14 h |
| May 18 | 80°F | 61°F | 34% | 23% | 14 h |
| May 19 | 81°F | 61°F | 34% | 23% | 14 h |
| May 20 | 81°F | 61°F | 34% | 23% | 14 h 10 min |
| May 21 | 81°F | 62°F | 34% | 23% | 14 h 10 min |
| May 22 | 82°F | 62°F | 34% | 23% | 14 h 10 min |
| May 23 | 82°F | 62°F | 34% | 23% | 14 h 10 min |
| May 24 | 82°F | 63°F | 34% | 23% | 14 h 10 min |
| May 25 | 83°F | 63°F | 34% | 23% | 14 h 10 min |
| May 26 | 83°F | 63°F | 34% | 23% | 14 h 10 min |
| May 27 | 83°F | 64°F | 34% | 23% | 14 h 10 min |
| May 28 | 83°F | 64°F | 34% | 22% | 14 h 20 min |
| May 29 | 84°F | 64°F | 33% | 22% | 14 h 20 min |
| May 30 | 84°F | 64°F | 33% | 22% | 14 h 20 min |
| May 31 | 84°F | 65°F | 33% | 22% | 14 h 20 min |
- Normal high
- 80°FMay average
- Normal low
- 60°FMay average
- Precipitation
- 5.30 inmonth total
- Days with precipitation
- 110.01 inch or more
- Days at 90°F or more
- 2
- Daylight
- 13 h 30 min to 14 h 20 minMay 1 to May 31
- Days at 70°F or more
- 29
- Days at 80°F or more
- 18
- Sunshine
- 73%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00093950; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in McAlester in May?
On a given May day the chance of 0.01 inch or more is 33% on average, highest around May 20 (34%). In all, 5.30 in falls on 11 days of a normal May, 2 of them with an inch or more.
In a normal May in McAlester, 2 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00093950.
How humid and windy is McAlester in May?
At 3 p.m. the normal temperature is 82°F with 56% relative humidity and a dew point of 65°F; at 6 a.m. it is 67°F with 87% humidity. The wind averages 6.4 mph, most often from the south in the afternoon. A dew point of 65°F or more feels muggy to most people.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 67°F | 63°F | 87% | 5.0 mph | 59% |
| 9 a.m. | 74°F | 65°F | 73% | 8.0 mph | 56% |
| noon | 80°F | 65°F | 61% | 8.6 mph | 57% |
| 3 p.m. | 82°F | 65°F | 56% | 8.5 mph | 63% |
| 6 p.m. | 80°F | 65°F | 61% | 6.9 mph | 76% |
| 9 p.m. | 72°F | 66°F | 79% | 4.6 mph | 77% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00093950. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for May in McAlester?
The warmest May temperature on this station's record (since 1953) is 98°F, on May 31, 1998; the coldest is 34°F, on May 4, 1954. The wettest May brought 22.98 in (2015).
The May mean against the 1991-2020 normal of 69.9°F: 2021 67.5°F (−2.4), 2022 72.0°F (+2.1), 2023 69.8°F (−0.1), 2024 72.5°F (+2.6), 2025 68.4°F (−1.5), 2026 71.5°F (+1.5). 3 of 6 ran warmer than normal.
| May | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 67.5°F | −2.4°F | 9.10 in |
| 2022 | 72.0°F | +2.1°F | 3.93 in |
| 2023 | 69.8°F | −0.1°F | 3.82 in |
| 2024 | 72.5°F | +2.6°F | 2.90 in |
| 2025 | 68.4°F | −1.5°F | 8.22 in |
| 2026 | 71.5°F | +1.5°F | 4.77 in |
Source: records: ACIS, station USW00093950; recent months: ACIS, station USW00093950. Records and recent months use complete months only.
How does May in McAlester compare across Oklahoma?
Across the 134 places PlainClimate covers in Oklahoma, May normal highs run from 77°F in Stilwell to 84°F in Altus; McAlester's is 80°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.